koruri, mr. c.b. (umamusume), umamusume, 1girl, ahoge, animal ears, bare shoulders, blue eyes, blue one-piece swimsuit, blush, breasts, brown hair, collarbone, competition school swimsuit, covered navel, hair between eyes, hair ornament, hairclip, hat, horse ears, horse girl, horse tail, jacket, long hair, long sleeves, looking at viewer, medium breasts, mini hat, mini top hat, navel, one-piece swimsuit, one eye closed, open clothes, open jacket, open mouth, red jacket, school swimsuit, smile, swimsuit, tail, top hat, tracen swimsuit, tracen training uniform, track jacket, water, wet, white hat